Ms part number ms27797-10-180 length 18.0; inside diameter 5/8
An ejection seat / ejection seat harness mounted system which primarily provides the pilot with oxygen from main oxygen supply in normal flying conditions. in case of emergency such as ejection, damaged hoses, and the like, it provides the same function after disconnection or deprivation from main oxygen supply. it generally consists of an oxygen regulator, a connection box, an anti-g valve, hoses, fittings, emergency oxygen suit, and the like. excludes oxygen system,aircraft survival kit.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 6620-01-394-4042
NSN 5950-01-036-7797
NSN 6320-01-600-0787
NSN 5935-01-060-9428
NSN 6220-00-397-6910
NSN 4140-01-439-3329
NSN 5945-01-602-3250
NSN 6645-01-447-3143
NSN 6130-00-816-7981
NSN 5930-01-313-6590
NSN 5935-01-492-5404
NSN 5990-01-485-0260